Copper wire would not be suitable for use in fame tests due to the fact it would cause the flame to change colour (usually to green). The experimenter wants to observe the colour change produced by the sample, not the wire.
A: If you put a piece of copper wire on any type of flame (most preferably cooking flames), then you would observe that they produce a green color in the flame. Sometimes, it might give youa blue tinge but if it doesn't, it doesn't mean that there's something wrong with the copper you're using.
The candle's flame appears to go out, but the candle is still burning. In reality, the coil of copper wire is conducting heat away from the candle flame. If you remove the coil of wire, the flame reappears. Hope this helps!
Copper nitrate is definitely a blue colour, even though copper (II) ions, Cu2+, generally produce blue-green solids and solutions.
Cupric nitrate typically produces a blue-green flame when burned.
No. Copper used in wiring would not qualify as laboratory-grade (pure). It would be far too expensive to manufacture and would not improve the conductivity enough to make a difference. Some copper wire is even plated. Laboratory-grade (pure) copper is a single substance, the element copper.
It usually produces a green sort of colour unless you hold the experiment out incorrectly
No, copper wire would not produce a distinctive color in a flame test. The flame test is typically used for metals that produce easily identifiable colors when burned in a flame, such as lithium (red), sodium (yellow), or potassium (purple). Copper does not exhibit this characteristic.
This element is copper (II), excepting halides.
To know which pairs of ions produce similar colors in the flame test it is important to know what the pairs of ions are. Without knowing this a person will not be able to know which would produce similar colors in the test.
A: If you put a piece of copper wire on any type of flame (most preferably cooking flames), then you would observe that they produce a green color in the flame. Sometimes, it might give youa blue tinge but if it doesn't, it doesn't mean that there's something wrong with the copper you're using.
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The candle's flame appears to go out, but the candle is still burning. In reality, the coil of copper wire is conducting heat away from the candle flame. If you remove the coil of wire, the flame reappears. Hope this helps!
Zippo does not sell a lighter that has a green flame. In order to achieve a green flame, you'd have to use chemicals such as Copper Sulfate or Boric Acid dissolved in methanol. You would take the Chemical and Methanol solution and add it to your lighter fluid. Another option is to have a piece of copper such as a wire suspended in your flame. It is best to sand the piece of copper.
Copper nitrate is definitely a blue colour, even though copper (II) ions, Cu2+, generally produce blue-green solids and solutions.
Chromium I don't know about Chrome, maybe, but Copper definitely does and is the most well known for doing so. So I would say Copper. Copper burns blue-green in a flame test. Thallium burns bright green.
The flame tests are different because they contain different metal cations. Since the metals were the variable that you changed, you know that can be the only reason why the flames would be different colors.
The flames in a fire burn according to chemical principles, and sometimes the material burned is or has in it a substance that burns with a green flame. There are a number of metal salts that burn with a green flame, and copper may be the most common among them. Think about fireworks. They are burning materials, and the color of the light given off is determined by the materials burned in the particular charge. Who would know more about what color things burn in than the chemist who is responsible for making up the stuff that goes into fireworks? There are packages of "fireplace additives" that are put on wood to give more color to the flames. The same ideas are involved.